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131321916983 is a prime number
BaseRepresentation
bin111101001001101100…
…1010110111000110111
3110112222001100120211002
41322103121112320313
54122421402320413
6140154540233515
712326164606505
oct1722331267067
9415861316732
10131321916983
1150769886a04
122154b53b89b
13c4caa1462a
1464dac93675
153638e32958
hex1e93656e37

131321916983 has 2 divisors, whose sum is σ = 131321916984. Its totient is φ = 131321916982.

The previous prime is 131321916959. The next prime is 131321917003. The reversal of 131321916983 is 389619123131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131321916983 - 214 = 131321900599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131321916923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65660958491 + 65660958492.

It is an arithmetic number, because the mean of its divisors is an integer number (65660958492).

Almost surely, 2131321916983 is an apocalyptic number.

131321916983 is a deficient number, since it is larger than the sum of its proper divisors (1).

131321916983 is an equidigital number, since it uses as much as digits as its factorization.

131321916983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 47.

The spelling of 131321916983 in words is "one hundred thirty-one billion, three hundred twenty-one million, nine hundred sixteen thousand, nine hundred eighty-three".